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Environmental Bio 8/25 notes

by: Michelle Le

Environmental Bio 8/25 notes Bio 105

Marketplace > West Virginia University > Biology > Bio 105 > Environmental Bio 8 25 notes
Michelle Le
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These are the class notes on 8/25 tuesday. Many definitions included about pollution, global change, climate, green house effect.gasses, ecological footprint, etc. These aren't directly word for wo...
Environmental biology
Elizabeth Thomas
Class Notes
climate, Greenhouse effect, greenhousegases, Pollution, ecological, footprint, Environment




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This 3 page Class Notes was uploaded by Michelle Le on Thursday August 25, 2016. The Class Notes belongs to Bio 105 at West Virginia University taught by Elizabeth Thomas in Fall 2016. Since its upload, it has received 46 views. For similar materials see Environmental biology in Biology at West Virginia University.


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Date Created: 08/25/16
8/25 notes Environmental Bio for Elizabeth Thomas Class Pollution Pollution­Introducing a harmful or poisonous chemical or substance to an environment Loss of Biodiversity­ Loss in number of certain or different species in an environment  Major of type of pollution: Heat, noise, light, chemical, biological ~Water and air pollution are types of pollution yet not considered to be major in effect with the  population of living things Point Source Pollution: A specific point or area where the pollution can be discovered or easily  traced.  Non­Point Source Pollution: A source of pollution that can’t be directly sourced like  cars/trucks, etc ­Indirect in discharge into the water can include runoffs like urban and agricultural (Non­Point  Source pollution) ­Direct Discharge into the water can include dumping toxins, factories, sewage treatment plants  (Point source pollution) Major pollution issues  Dilution­ The process of diluting a liquid and or making the liquid weaker in some way Biomagnification­ the process when a pollutant compound of toxins inside an organism and or  plant widely disburses out ­Chemical Reactions Pollution Control 1.) Pre pollution­ The complete prevention 2.) Reduce the pollution amount in order to have a higher efficiency Ecological Demand­ The concerns in relation to the living organisms and the area surround  them. Use of the supply and or resources plus the demands in the evenly disbursed.  ­Population is one of the reasons for pollution yet not the only reasons since many other  reasons. ­Technological and Ecological Demand ­Increasing Societal Complexity­ When society becomes more technologically advanced or  complexed Ecological Footprint Ecological Footprint­ The numbers of earth it would require for people to live if the people  lived like you in that particular area Reduction Goals: ­Government Regulations such as higher taxes and or higher costs ­Being conscious on what we use and what we reuse ­Less emphasis on needing materialistic stuff Global Change Air purification­ Removing any sort of contaminants and or toxins in our air  Water Purification­ Removing any sort of contaminants and or toxins in our bodies of water and or water itself Nutrient Recycling­ Decomposing matter into nutrients Biodiversity­The variety of different species and or life in a particular area and or ecosystem Fertile Soil Formation­ The forming of soil that is fertile for plants to grow.  ~Fertile soil has the abundance of nutrients that help and are needed for plants to grow. Renewable Resource­ A resource that can be replaced over time such as paper, etc Non­Renewable Resource­ A resource that cannot be replaced over time such as natural  gasses, etc Green House Effect Greenhouse Effect­ Solar radiation from the sun being transmitted into the Earth ­Positive radiative forces will transmit warmth to the earth ­Negative radiative forces will transmit cooling to the earth Greenhouse Gases: Nitrous oxide, water vapor, carbon dioxide, oxygen, CFC’s, HFC’s,  CFC’s replacement, ozone and CH8 Albedo­ The amount of light a particular area reflects       ­Low albedo is positive while high albedo is negative   Ex’s of albedo: When the surface without any snow or ice absorbs more heat which causes a  low and or negative albedo ­When the surface that has ice and or snow reflects to have more heat which causes high or  negative albedo ~Mainly deals with increase and or decrease in temperature so not either good or bad Climate­ The long term averages of the conditions and or weather patterns from over a 30+year  period 


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